use Mix.Config # This is standard path in the context of ejabberd release config :ejabberd, file: "/Users/mremond/devel/p1/ejabberd/ejabberd/config/ejabberd.yml", log_path: '/Users/mremond/devel/p1/ejabberd/ejabberd/log/ejabberd.log' # Customize Mnesia directory: config :mnesia, dir: '/Users/mremond/devel/p1/ejabberd/ejabberd/mnesiadb/'